Positron emission tomography (PET) scans are used to produce detailed three-dimensional pictures of the inside of the body.
The image reveals how elements of the patient’s physique operate by the way they break down the radiotracer. A PET image will display totally different ranges of positrons in line with brightness and coloration. When you arrive for the scan, you would possibly must put on a hospital gown. Or you may must take off garments or jewellery that would get in the way in which. PET scan is used if different imaging exams are unclear, inconclusive or surgical procedures aren’t doable. PET is a invaluable method for some ailments and issues, as a result of it is possible to focus on the radio-chemicals used for explicit bodily features.
In most cases, you will want to rest earlier than and after the injection of the radioactive material. For instance, if you’re having a mind PET scan, you’ll lie quietly in a darkened room earlier than and after the injection to make sure your brain remains relaxed and isn’t stimulated by light, noise or reading. When a affected person is ready, they will be taken to the room the place the PET scan is and will lie down on a cushioned examination desk. More FDG collects in most cancers cells than regular cells because cancer cells use (metabolize) extra glucose.
For the check, a technologist will provide help to lie on a padded table. The table might have pillows, straps or a cradle on your head. You will most likely lie in your back. But you may have to lie on your aspect or abdomen. Your position relies on the place the doctor needs to scan. PET might also be used to see if tumours are malignant (cancerous) and to tell the difference between an energetic tumour and scar tissue. If the affected person feels unwell, a buzzer can be pressed to alert the employees. During the whole course of, the patient is being watched by employees. You can count on to listen to whirring or clicking sounds from the machine. Some machines are noisier than others.